Falcon is a bare-metal Python web API framework for building very fast app backends and microservices.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
Flask Framework is described as 'Flask is a lightweight web application framework written in Python and based on the Werkzeug WSGI toolkit and Jinja2 template engine. There is no database abstraction layer, form validation, or any other components where third-party libraries already exist to provide common' and is an app in the development category. There are more than 10 alternatives to Flask Framework for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and Python apps. The best Flask Framework alternative is Django, which is both free and Open Source. Other great apps like Flask Framework are ASP.NET, FastAPI, Frappe Framework and Reflex Framework.
Falcon is a bare-metal Python web API framework for building very fast app backends and microservices.
Bitweaver is a free and open source web application framework and content management system. Its speed and power are ideal for large-scale community websites and corporate applications, but it is simple enough for non-technical small site users to set up and administrate.
Play Framework is an open-source web application framework which follows the model–view–controller architectural pattern. It is written in Scala and usable from other programming languages that are compiled to JVM Bytecode, e.g. Java.
CodeBehind library is a modern backend framework. This library is a programming model based on the MVC structure, which provides the possibility of creating dynamic aspx files in .NET Core and has high serverside independence.




Async, simple, fast: pick three! Roll is a pico framework with performances and aesthetic in mind. - pyrates/roll
Spark Framework is a simple and expressive Java/Kotlin web framework DSL built for rapid development. Sparks intention is to provide an alternative for Kotlin/Java developers that want to develop their web applications as expressive as possible and with minimal boilerplate.

Javalin - A lightweight Java and Kotlin web framework. Create REST APIs in Java or Kotlin easily.